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9/11Masken-Literatur
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Masken-Literatur
- Topics
- Masken, masks
- Collection
- journals_contributions; journals
- Item Size
- 11.7G
This page contains some studies, documents, papers and other literature about masks to give you strong mostly evidence based arguments against them.
On
the top left of this page below the internet archive icon you can find
the "Volumes icon". If you click on the "Volumes icon" a tab on the left
side opens. Within this tab you can scroll through hundreds mask
studies and related literature by publication date.My personal summary about masks in short is as follows:
Masks can protect from an infection individualy for a certain time but mask mandates don't work.
Masks
can be effective to delay an infection for the few people who constantly wear a fit-tested
mask and take care about hand hygiene and face-touching (individualy)
but masks are not effective on population level for the general
population.At the end everybody will be infected at all no matter if he/she wears a mask or not.
In some cases masks can do more harm than good which is the case especialy for healthy kids with a very low risk for a severe COVID disease.
Masks can also give a false sense of security which even increases the risk of infection as this paper shows:
**********************************************************************************
Surgical face masks were originally developed to contain and filter droplets containing microorganisms expelled from the mouth and nasopharynx of healthcare workers during
surgery, thereby providing protection for the patient in a clinical environment. Nowadays the general public shall wear masks indifferently to protect us and others in everyday life of an infection with the SARS-CoV-2 virus which has nothing in common with microorganisms. The SARS-CoV-2 virus is transmitted by aerosols. For some literature about aerosols take a look to my little collection of aerosol literature: https://archive.org/details/aerosols which I will update soon with more papers. There is NOT much evidence for universal masking against airborne viruses but we shall wear masks anyway because masks are just a political thing and in the context of SARS-CoV-2 / COVID-19 masks symbolise submission, compliance & dehumanization. They are a constant reminder of the official narrative and silence those wearing them. It was never about safety; it is about control. That's the reason why questioning the efficacy of masks will
get you banned from social media.
Follow me on Telegram: https://twitter.com/RodneyCorbine
**********************************************************************************
According
to science, hand hygiene is important and, unlike masks, hand hygiene
can potentially offer some protection against SARS-Cov-2 infection.
Therefore, in addition to the literature on masks, I have now also
started to provide some literature on hand hygiene:
https://archive.org/details/indispensable-hand-hygiene-to-wear-a-useless-mask
**********************************************************************************
Für die Einordnung von Partikeln in Risikogruppen sind die „Arbeitsausschüsse für Biologische Arbeitsstoffe der Bundesanstalt für Arbeitsschutz und Arbeitsmedizin“ zuständig. Diese ordnen SARS-COV-2-Viren in die Kategorie der Risikogruppe 3 (page 25) ein. Das entspricht auch der Einordnung durch die EU.
Nach der DIN EN 149 schützen FFP2-Masken nicht gegen Partikel der Risikogruppe 3, sondern nur FFP3-Masken.
Ergo:
FFP2-Masken können keine Viren zurückhalten, die der Risikogruppe 3
zuzuordnen sind, wie dies beim SARS-COV2-Virus der Fall ist! Sie sind
also sinnlos bei dem Versuch, sich gegen eine Erkrankung an COVID19 zu
schützen!
**********************************************************************************
Stephen E. Petty, P.E., C.I.H., C.S.P.* EES Group, Inc.
Pompano Beach, FL 33030 (spetty@eesgroup.us)
here is the powerpoint presentation to the video from 2021-09-30 https://archive.org/details/Masken-Literatur/2021-09-30_Stephen-Petty-Presentation_COVID-10_and_masks/mode/1up
Pompano Beach, FL 33030 (spetty@eesgroup.us)
hearing at the Senate Health and Human Services in march 30th 2022
explains why masks can't work.
here is the powerpoint presentation to the video from 2021-09-30 https://archive.org/details/Masken-Literatur/2021-09-30_Stephen-Petty-Presentation_COVID-10_and_masks/mode/1up
here is another powerpoint presentation by Stpehen E. Petty
here is a good presentation in german language about the importance of a fit-test
**********************************************************************************
Also eye protection needs to be discussed in the context of masks because Ocular surface droplet deposition is greatly underappreciated as a probable, frequent route for SARS-CoV-2 transmission.
- SARS-CoV-2: eye protection might be the missing key https://www.thelancet.com/journals/lanmic/article/PIIS2666-5247(21)00040-9/fulltext
- The possibility of COVID-19 transmission from eye to nose https://onlinelibrary.wiley.com/doi/10.1111/aos.14412
- Potency of SARS-CoV-2 on Ocular Tissues https://www.intechopen.com/online-first/76171
- SARS-CoV-2 receptor ACE2 is expressed in human conjunctival tissue, especially in diseased conjunctival tissue
**********************************************************************************
Here is a short video which shows why masks can't work if they are not fit-tested
and here is another Video from the TU-Delft:
(backup for the Video from the TU-Delft)
*****************************************************************************
Here are some main reasons why masks for the general public do not work:
- no possibility of proper hand hygiene before and after touching the mask
"Mask touching is frequent and is rarely followed by hand disinfection."
- low compliance
- to many people do not understand how to use masks properly in everyday life ... ....
- maks always have leaks and almost no one has performed a seal fit test for their mask & there are
countless different types of masks that also all have a different fit, etc. ... .
- the filter efficiency is to low
- beard growth at men and also some woman
- even if masks would work there is still the possibility that the virus enters the tears through droplets,
which may pass through the nasolacrimal ducts and then into the respiratory tract
*****************************************************************************
Here is an in my opinion very underestimated theory by Kevin McKernan about why masks most
probably make things even worse in the actual "pandemic" because masks are nebulizing droplets
into aerosols which can get deeper into the lungs then droplets. He has spent a good part of
his career engineering emulsion PCR and Nebulization equipment for DNA and RNA shearing.
This paper showcasing the masks making <5um particles: https://www.nature.com/articles/s41598-020-72798-7
"Imagine 50um spittle hits mask with high velocity and 90% of it wets the mask but 10% of it aerosols into less than
5um particles and those small ones are 10x more infective.
This isn’t as simple as pissing your pants."
here is a peer-reviewed paper about this phaenomenon - the author called it the Foegen-effect
*****************************************************************************
Here https://archive.org/details/2020-08-masks-vs-no-masks are some charts I've borrowed
from: https://twitter.com/ianmSC showing masks are utterly nonsense.
and here are more charts: https://rationalground.com/mask-charts
*****************************************************************************
Now you propably think - "Oh so many papers & studies but which is the best scientific evidence ?"
To understand this I recommend you to read at first the following articles:
- Systematic reviews vs. meta-analysis: https://guides.lib.odu.edu/c.php?g=966167&p=7021863
- Systematic Reviews and Meta-analysis: Understanding the Best Evidence in Primary Healthcare https://t1p.de/tbzf
- Systematic Reviews: What do you need to know to get started? https://t1p.de/ywew
- The Levels of Evidence and their role in Evidence-Based Medicine https://t1p.de/h6zu
Highest scientific evidence is regarded to systematic reviews of randomised controlled trials followed by systematic review and meta-analysis but some say it's other way round.
To safe you some time here are direct links to the highest evident papers in my collected mask literature sorted by date but I recommend you to read all the others anyway:
2009-05-03 WHO advice on the use of masks in the community setting in Influenza A(H1N1) outbreaks https://t1p.de/2qyc6
"Using a mask incorrectly however, may actually increase the risk of transmission, rather than reduce it."
2009 Loeb et. al. - Surgical mask vs. N95 respirator for preventing influenza among health care
workers (randomized trial) https://t1p.de/lfgi
"Among
nurses in Ontario tertiary care hospitals, use of a surgical mask
compared with an N95 respirator resulted in noninferior rates of
laboratory- confirmed influenza."
2010-01-22 Cowling et. al. - Review Article - Face masks to prevent transmission of influenza virus - a systematic review https://t1p.de/3ciy
"There
is some evidence to support the wearing of masks or respirators during
illness to protect others, and public health emphasis on mask wearing
during illness may help to reduce influenza virus transmission. There
are fewer data to support the use of masks or respirators to prevent
becoming infected. Further studies in controlled settings and studies of
natural infections in healthcare and community settings are required to
better define the effectiveness of face masks and respirators in
preventing influenza virus transmission."
2010-09-28 Atrie, D. et al - Surgical mask vs. N95 respirator for preventing influenza among health care workers (a randomized trial) https://t1p.de/euv8
"The
authors concluded that the protection provided by an N95 respirator is
not superior to that provided by a standard surgical mask."
2010-11-17 Canini et. al - Surgical masks to prevent influenza transmission in households: a cluster randomized trial https://t1p.de/d507
"We
did not show any significant difference in ILI proportion among
household contacts between the intervention arm and the control arm. Our
study was clearly underpowered due to its premature termination."
2011-01-27
MacIntyre - a cluster randomized clinical trial compare fit-tested and
non-fit-tested N95 respirators to medical masks to prevent respiratory
virus infection in health care workers https://t1p.de/37n5
"By
intention- to-treat analysis, when P values were adjusted for
clustering, non- fit-tested N95 respirators were significantly more
protective than medical masks against CRI, but no other outcomes were
significant."
2011-02-27 Simmerman et. al. - findings from a household randomized controlled trial of hand
washing and face masks to reduce influenza transmission in Bangkok, Thailand https://t1p.de/07fg
"Influenza transmission was not reduced by interventions to promote hand washing and face mask use."
2011-07 Jefferson T. et. al. - physical interventions to interrupt or reduce the spread of respiratory viruses (Cochrane review) https://t1p.de/mhddr
"We
found no evidence that the more expensive, irritating and uncomfortable
N95 respirators were superior to simple surgical masks. It is unclear
if adding virucidals or antiseptics to normal handwashing with soap is
more effective. There is insufficient evidence to support screening at
entry ports and social distancing (spatial separation of at least one
metre between those infected and those non-infected) as a method to
reduce spread during epidemics."
2011-12-21 Faisal bin-Reza et al. - The use of masks and respirators to prevent transmission of
influenza: a systematic review of the scientific evidence https://t1p.de/hyr1
"In
conclusion, there is a limited evidence base to support the use of
masks and/or respirators in healthcare or community settings. Mask use
is best undertaken as part of a package of personal protection,
especially including hand hygiene in both home and healthcare settings."
2013-03-01 Macintyr et. al. -a randomized clinical trial of three options for N95 respirators and medical masks in health workers https://t1p.de/cq4r
"N95 use resulted in significantly lower rates of clinical respiratory infection compared with targeted use in high-risk situations, or use of medical masks"
2014 Lipp, A. & Edwards - P. Disposable surgical face masks for preventing surgical wound infection in clean surgery https://t1p.de/eyhi
"There
was no statistically significant difference in infection rates between
the masked and unmasked group in any of the trials."
2015-03-26 Macintyr et. al. - a cluster randomised trial of cloth masks compared with medical
masks in healthcare workers https://t1p.de/2jpt
"This
study is the first RCT of cloth masks, and the results caution against
the use of cloth masks. This is an important finding to inform
occupational health and safety. Moisture retention, reuse of cloth masks and poor filtration may result in increased risk of infection. Further research is needed to inform the widespread use of cloth masks globally."
2016-04 Vincent M, Edwards P. - Disposable surgical face masks for preventing surgical wound infection in clean surgery (Review) https://t1p.de/kxym
"We
included three trials, involving a total of 2106 participants. There
was no statistically significant difference in infection rates between
the masked and unmasked group in any of the trials. We identified no new
trials for this latest update."2016-05 Jeffrey D. Smith MSc et. al. - Effectiveness of N95 respirators versus surgical masks in
protecting health care workers from acute respiratory infection: a systematic review and meta-analysis https://t1p.de/2j97
"Although N95 respirators appeared to have a protective advantage over surgical masks in laboratory settings,
our meta- analysis showed that there were insufficient data to
determine definitively whether N95 res- pirators are superior to
surgical masks in protect- ing health care workers against transmissible
acute respiratory infections in clinical settings."
2016-06 Barasheed et. al. - Uptake and effectiveness of facemask against respiratory infections at mass gatherings: a systematic review https://t1p.de/9qk0
"Finally,
facemask effectiveness also differed depending on the study endpoints.
For example, studies that examined effectiveness of facemask against a
single respiratory symptom (such as cough, sore throat or fever) either
ruled out or did not fully support its effectiveness."2016-10-18 Why Face Masks Don’t Work: A Revealing Review - Oral Health Group
2017-04-30 Saunders-Hastings et. al. - Effectiveness of personal protective measures in reducing pandemic influenza transmission: A systematic review and meta-analysis https://t1p.de/x1hw
"Facemask use demonstrated mixed results, but a randomized control trial suggests that it is effective." (even in a hospital setting with high compliance and higher
standards of hand hygiene then in everyday life is not clearly a benefit
to wear a mask)
2017-11 Offeddu et. al. - Effectiveness of Masks and Respirators Against Respiratory Infections in
Healthcare Workers: A Systematic Review and Meta-Analysis https://t1p.de/6ir1
"This
systematic review and meta-analysis supports the use of respiratory
protection. However, the existing evidence is sparse and findings are
inconsistent within and across studies.
We
found evidence to support universal medical mask use in hospital
settings as part of infection control measures to reduce the risk of CRI
and ILI among HCWs. Overall, N95 respirators may convey greater
protection, but universal use throughout a work shift is likely to be
less acceptable due to greater discomfort. Our analysis confirms the
effectiveness of medical masks and respirators against SARS. Disposable,
cotton, or paper masks are not recommended."
(even
in a hospital setting with high compliance and higher standards of hand
hygiene then in everyday life is not clearly a benefit to wear a mask)
2019-09-19 WHO non-pharmaceutical public health measures for mitgating the risk and impact of epidemic and pandemic influenza
"Ten RCTs were included in the meta-analysis, and there was no evidence that face masks are effective in reducing transmission of laboratory-confirmed influenza." https://t1p.de/c07l
2020-05 Cowling et. al. - Nonpharmaceutical Measures for Pandemic Influenza in Nonhealthcare
Settings - Personal Protective and Environmental Measures https://t1p.de/ynje
"In this review, we did not find evidence to support a protective effect of personal protective measures
or environmental measures in reducing influenza transmission.We did not find evidence that surgical-
type face masks are effective in reducing laboratory-confirmed influenza transmission, either when
worn by infected persons (source control) or by persons in the general community to reduce their
susceptibility (Figure 2)."
2020-06-02 Aggarwal, N. et al - Facemasks for prevention of viral respiratory infections in
community settings: A systematic review and meta-analysis https://t1p.de/kwd5
"Existing data pooled from randomized controlled trials do not reveal a reduction in occurrence of ILI
with the use of facemask alone in community settings."
2020-07-16 Fouladi et al - Face masks vs. COVID-19: a systematic review https://t1p.de/qr8p
"There is little evidence to support the effectiveness of face masks to reduce the risk of COVID-19
infection. However, the use of N95 respirators or air supplying respirators and adherence to the
principles of personal hygiene, frequent hand washing and the use of disinfectants can reduce the
prevalence of COVID-19 in health care providers."
2020-11-20 Physical interventions to interrupt or reduce the spread of respiratory viruses (Review)
https://t1p.de/smhf and https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD006207.pub5/full/de
"There is uncertainty about the effects of face masks. The low-moderate certainty of the evidence means our confidence in the effect estimate is limited, and that the true effect may be different from the observed estimate of the effect. The pooled results of randomised trials did not show a clear reduction in respiratory viral infection with the use of medical/surgical masks during seasonal influenza. There were no clear differences between the use of medical/surgical masks compared with N95/P2 respirators in healthcare workers when used in routine care to reduce respiratory viral infection. Hand hygiene is likely to modestly reduce the burden of respiratory illness. Harms associated with physical interventions were under-investigated."
Key messages "We are uncertain whether wearing masks or N95/P2 respirators helps to slow the spread of respiratory viruses.
Hand hygiene programmes may help to slow the spread of respiratory viruses."
Hand hygiene programmes may help to slow the spread of respiratory viruses."
2021-11-01 S3-Leitlinie Maßnahmen zur Praevention und Kontrolle SARS-CoV-2-Uebertragung in Schulen
Seite 7: Masken haben niedrige Evidenz aber trotzdem starke Empfehlung
Schlussfolgerung: es geht dabei nicht um Schutz vor Viren
2022-02-22 professional experts rebuttal letter to the CDC's mask N95 guidance - Request for Immediate Corrections to the CDC Guidance on Masks and Respirators
https://archive.org/details/Masken-Literatur/2022-02-22_professional_experts-rebuttal_letter_to_the_CDC%27s_mask_N95_guidance-correct%20Walenski%20Zip%20Code%20and%20Dates/mode/1up2023-01-30 Physical interventions to interrupt or reduce the spread of respiratory viruses-review
Jefferson et. al. Cochrane Database of Systematic Reviews
"We are uncertain whether wearing masks or N95/P2 respirators helps to slow the spread of respiratory viruses based on the studies we assessed."
"Hand hygiene programmes may help to slow the spread of respiratory viruses"
**********************************************************************************
maks harms
weiter ab inkl. 2021-04-20
headaches, rash, acne, hypercapnia, skin break- down,impaired cognition, deindividuation, hypoxia, false sense of security (https://archive.org/details/Masken-Literatur/2020-04-06_WHO-2019-nCov-IPC_Masks-2020.3-eng-2020-04-06-medical_masks_in_the_community_may_create_a_false_sense_of_security/mode/1up), higher risk of cancer because of prolonged hypoxia, rebreathing, If masks are not exchanged regularly (or washed properly when made of cloth), pathogens can accu- mulate in the mask. When improperly used, the risk of spreading the pathogen—including SARS- CoV-2—might be critically increased
psychological effects:
deindividuation
-lack of nonverbal communication when wear- ing a mask may make people feel insecure, disheart- ened or even psychologically troubled. This may be particularly true for people suffering from mental illness or hearing impairment
importance of face to face interactions for early attachment between babies and parents within the context of relevant underpinning developmental theory. ..
We discovered that babies begin lip- reading at around 8 months of age. ... Crucially, once lip-reading emerges in infancy, it becomes the default mode of speech processing whenever comprehension is difficult
"They have collateral conse- quences for emotional inferences and social judgments. Face masks impair people’s ability to accurately classify emotional expressions which tends to be exacerbated for older adults, reduce perceived closeness, and increase perceptions of closeness, trustworthiness, and likabil- ity for targets expressing negative emotions. Together, our results highlight the relevance of psychological factors in the context of the coronavirus and inform policymaking by illustrating face masks’ (side) effects on social functioning."
"The effects of mask-wearing on social anxiety are likely to be substantial and clinically relevant"
physiological effects
hypoxia which can enhance immunosuppression by inhibiting CD4+ effector T cell function and promoting Treg activity
higher risk of cancer because of prolonged hypoxia
Repeated episodes of hypoxia has been proposed as a Significant factor in atherosclerosis and hence increases all
cardiovascular (heart attacks) and cerebrovascular (strokes) diseases
cardiovascular (heart attacks) and cerebrovascular (strokes) diseases
When a person is infected with a respiratory virus, they will expel some of the virus with each breath. If they are wearing a mask, especially an N95 mask or other tightly fitting mask, they will be constantly rebreathing the viruses, raising the concentration of the virus in the lungs and the nasal passages.
Increased pressure inside the skull;
3. Nervous system changes (e.g., increased pain threshold, reduction in cognition - altered judgement, decreased situational awareness, difficulty coordinating sensory or cognitive, abilities and motor activity, decreased visual acuity, widespread activation of the sympathetic nervous system that can oppose the direct effects of CO2 on the heart and blood vessels)
3. Nervous system changes (e.g., increased pain threshold, reduction in cognition - altered judgement, decreased situational awareness, difficulty coordinating sensory or cognitive, abilities and motor activity, decreased visual acuity, widespread activation of the sympathetic nervous system that can oppose the direct effects of CO2 on the heart and blood vessels)
increased breathing frequency
increased work of breathing
cardiovacular effects: diminished cardiac contractility, vasodilation of peripheral blood vessels
dyspnea
increasing CO2 level in the blood https://archive.org/details/Masken-Literatur/2020-08-28_Hausmitteilung_222-Bundestag_MNS_Risiko_Kontamination_erh%C3%B6ht/page/n2/mode/1up
Ventilation,
cardiopulmonary exercise capacity and comfort are reduced by surgical
masks and highly impaired by FFP2/N95 face masks in healthy individuals
The
clear results of our study show that ventilation, cardiopulmonary
exercise capacity, and comfort are reduced by surgical masks and highly
impaired by FFP2/N95 face masks in healthy individualsWidespread use of face masks may cause ocular dryness and irritation
Irritation of the ocular surface associated with mask use raises concerns for increased risk of disease transmission through the ocular route
How the use of surgical masks during COVID-19 pandemic can induce skin effects
dyspnea
hypoxia, hypercapnia
increasing CO2
increased CO2, mask is a symbol of danger which, by covering the face, prevents one from making the other known, and recognizing human expressions and emotions in the other. By thus limiting facial expressions, emotional contact is reduced with the consequence of making children - but this also affects adults - weak, anxious, insecure and even immunosuppressed since, the mental state represents a fundamental element to guarantee a good immune response
in our real-world study, acne vulgaris and rosacea appeared to worsen in untreated patients wearing masks. Maskne is a recognized subtype of acne mechanica,” and mask rosacea is a potential new entity trig- gered by mask-wearing during the pandemic
evaluated cutaneous short-term changes in patients wearing SM and N95, finding that masks induce microenvironment changes in the skin by dehydration, increased sebum and increased PH. Furthermore, dehydration, transepidermal water loss, and sebum dysregulation are pro-comedogenic factors, capable to promote Cutibacterium acnes multiplication, and hence innate immune response and leading to inflammatory lesions (papules and pustules).27 Likewise, also Demodex folliculorum, regarded as the a trigger in rosacea, takes advantage from sebum overproduction producing/amplyfing inflam-
mation (papules, pustules, and erythema
mation (papules, pustules, and erythema
Of the respondents 68% reported that children complained about impairments caused by wearing the mask. Side effects included irritability (60%), headache (53%), difficulty concentrating (50%), less happiness (49%), reluctance to go to school/kindergarten (44%), malaise (42%) impaired learning (38%) and drowsiness/fatigue (37%)
Face masks impair face recognition and face identification.
Face masks impair verbal and non-verbal communication.
Face masks block emotional signaling
Face masks impair verbal and non-verbal communication.
Face masks block emotional signaling
headaches
......
Two main conclusions emerge from this study: in healthy oral surgeons, wearing an FFP2 covered by a surgical mask for an extended period of time induces a reduction in circulating O2 concentrations without clinical relevance, while an increase of heart fre- quency and sensation shortness of breath, light-headedness and headaches were recorded. This result indicates that an N95 mask covered by surgical mask induce discomfort in breathing, decrease in both mental and physical performance, accuracy and increased fatigue, especially during lengthy operations, and could cause elevated pCO? levels.
Laut RKI gibt es keine Untersuchungen zu den gesundheitlichen und langfristigen Aus- wirkungen bei vulnerablen Personen oder Kindern beim Tragen von FFP-2-Masken
this article deals with a newly noticed phaenomenon-mask mouth which is caused due to excessive and improper use of face mask in this COVID era
Implications of ‘Mask Mouth:
- dental caries
- using mouth mask can be a factor causing increase in PI and in turn leading to gingivitis and dental caries.
- patients with chronic mouth breathing suffer from dry mouth which may result from surface dehydration that eventually predispose to oral infection and progressive gingivitis.
- Studies demonstrated that mouth breathing may cause an increase in susceptibility of gingival inflammation also indicate that whole mouth exhibits highly gingival inflammation not confined to anterior region in mouth breathing individuals.
- most of the patients having mask mouth complain about halitosis, also known as ‘mask breath’
- oral dehydration due to use of mask, may alter the oral microbiota and increase the risk for opportunistic infections, such as candidiasis
Dry mouth and decreased salivary rate can be a predisposing factor of developing cadidal infection. According to a study conducted by Nadig et al, it
was found that there is statistically significant association was observed between reduced SFRs and increased Candida counts.!9] Angular Cheilitis and
Ulcers
- Prolonged use of face mask creates a warm moist environment on surrounding skin of mouth which is a perfect condition for bacteria to flourish and
grow. This overgrowth of bacteria can produce angular cheilitis, cracking and ulcers at the corner of the mouth
Dermatological and allergological diseases related to the extended use of the PPEs represent an emerging problem amidst the pan- demic
- In particular, there are increasing reports of skin damage, occupational dermatoses, Irritant Contact Dermatitis (ICD) and allergic contact dermatitis (ACD) related to surgical facemasks and N95
other negative effects
Covid-19 face masks: A potential source of microplastic fibers in
the environment
the environment
Microbial challenges from masks
Impact of face masks on voice radiation
This study suggests that prolonged use of facemasks induces difficulty in breathing on exertion and excessive sweating around the mouth to the Ambulance driver which results in poorer adherence and
increased risk of susceptibility to infection
increased risk of susceptibility to infection
environmental contamination due to improper disposal
bedenkliche Stoffe in Gesichtsmasken
social impacts
effectivity (beard growth/facial hair)
**********************************************************************************
Due to a request of Nick Hudson from Canada on twitter
https://twitter.com/NickHudsonCT/status/1426566100238618625 at which he asked: "Help
requested: For an article, I'm looking for the screenshots of the
deleted tweets from someone in the WHO orbit talking about the mask
recommendation being entirely political. I'm drawing a blank on the name
of the official. Any similar evidence would also be helpful."
Here is what I've found:
march 14th (zwei Wochen nach dem ersten bestätigten Fall) drehte ein
Sprecher, Schriftsteller und Einflussnehmer der sozialen Medien, Petr
Ludwig, ein Lehrvideo über die Bedeutung des Tragens von Masken, nicht
als Schutz für sich selbst, sondern zum Schutz anderer, für den Fall,
dass man sich nicht bewusst ist, dass man krank ist und keine Symptome
zeigt. Das Video zitiert eine Forschungsstudie der Universität von Cambridge
die zu dem Schluss gelangt, dass chirurgische Masken 3x wirksamer sind
als selbstgemachte Masken, dennoch empfehlen sie selbstgemachte Masken
als letztes Mittel, wenn keine chirurgischen Masken zur Verfügung
stehen. Am 22. März wurde das Video von 560.000 Zuschauern gesehen und
von vielen anderen tschechischen Influencern geteilt und beworben. Als
der Mangel an Masken, die von der Regierung zur Verfügung gestellt
wurden, weiter anhielt, griffen Krankenhäuser auf soziale Medien zurück
und fragten, ob die Leute vielleicht ein paar Masken für sie nähen
könnten, weil sie knapp wurden. In einem beispiellosen Akt der
Unterstützung begannen viele Menschen, Masken herzustellen, nicht nur
für die Krankenhäuser, sondern für alle. Die Bemühungen waren sowohl
individuell – Menschen, die Masken von Hand oder auf einer Nähmaschine
zu Hause nähen, als auch organisatorisch – Theater, gemeinnützige
Organisationen, kleine Unternehmen und Fabriken, die normalerweise
Kleidung, Wäsche und Accessoires herstellen, lenkten ihre Bemühungen auf
Vollzeitnähen um. Lokale Unternehmen nähten in großen Mengen und
belieferten Krankenhäuser, Seniorenheime, die Polizei oder die
Feuerwehr. Masken wurden an Krankenhäuser oder an Freunde und Nachbarn
geliefert, die sie oft in ihren Briefkästen fanden. In einigen Gegenden
schufen die Menschen „Maskenbäume“, wo sie zusätzliche Masken zur
Verfügung stellten, die für andere zur Verfügung standen.“ Die auf der
Website hochgeladenen Fotos zeigen Beispiele für die Herstellung von
Heimwerkermasken (auf denen untypisch eine männliche Näherin zu sehen
ist) und Möglichkeiten, diese in der Nachbarschaft zu verteilen:
According to CDC insiders, it turns out they recommended masks for everyone over 2 years old in april 2020 because of a Twitter thread https://twitter.com/zeynep/status/1246152064763179009 and a New York Times opinion article
by “amateur epidemiologist” Zeynep Tufekci at march 17th.
On march 19th, 2020 Dr. John H. Murphy, MHSc MBA PhD ROH CIH MACE Adjunct Professor-Dalla
Lana School of Public Health and the WHO from Toronta-Canada https://www.linkedin.com/in/dr-john-murphy-mhsc-mba-phd-roh-cih-mace-98911511/ wrote an e-mail: https://t1p.de/t2q1
to Ms. Val Avery (President Health Sciences Association of British
Columbia, 180 East Columbia Street, New Westminster, BC V3L 0G7) with
the subject: "Respiratory Protection for Health Workers Caring for COVID-19 Patients" at which he claimed the transmission route of SARS CoV-2 to be aerosols instead of droplets.
On march 26th the WHO wrote on twitter: masks can give you false feeling of protection and can even be a source of infection when not used correctly
march 28th some mentaly retarded people and a guy named Jeremy Howard from CSSR uploaded this: https://www.youtube.com/watch?v=jZtEX2-n2Hc video to youtube.
march 29th the WHO published a scientific brief: "modes of transmission of virus causing COVID-19: implications for IPC precaution recommendations
march 30th
april 06th the WHO published the "Advice on the use of masks in the context of COVID-19" Interim Guidance: https://archive.org/details/Masken-Literatur/2020-04-06_WHO-2019-nCov-IPC_Masks-2020.3-eng-2020-04-06-medical_masks_in_the_community_may_create_a_false_sense_of_security
In
this guidance the WHO wrote: "Current information suggests that the two
main routes of transmission of the COVID-19 virus are respiratory droplets and contact."
"However,
the use of a mask alone is insufficient to provide an adequate level of
protection, and other measures should also be adopted."
"However,
there is currently no evidence that wearing a mask (whether medical or
other types) by healthy persons in the wider community setting,
including universal community masking, can prevent them from infection
with respiratory viruses, including COVID-19"
may 7th 2020 the
german RKI changed his advice for masks and recommended them because of
a reevaluation and new evidence of virus transmission before symptoms
but they still believed in droplets as transmission route
On june 2nd, 2020 Dr. John H. Murphy wrote a letter https://pashev.me/files/murphy-who-2020-06-02.pdf.html to the Editor - Bulletin of the WHO with the subject: "Expression
of Concern - Modes of transmission of virus causing COVID-19:
implications for IPC precaution recommendations, Scientific Brief, 29
March 2020
In his
letter Dr. John H. Murphy claimed the transmission mode of SARS CoV-2
which was believed by the WHO to be by droplets but Dr. John H. Murphy was sure it must be by aerosols
Only 3 days later on june 5th, 2020 the WHO changed their mask recommendations.
And on july 9th, 2020 the WHO published the scientific brief: transmission of SARS-CoV-2: implications for infection prevention precautions
On july 11th,2020 BBC Newsnight uploaded this report to Youtube: https://www.youtube.com/watch?v=Bw51IudGNb8
july 12th, 2020 Deborah Cohen reported on Twitter:
"We had been told by various sources WHO committee reviewing the evidence had not backed masks but they recommended them due to political lobbying. This point was put to WHO who did not deny.
We said some people think we should not wait for RCTs before putting policies in place"
another screenshot:
one more screenshot:
As to what I found out the political lobbying happend by a Czech initiative with the name: masks4all https://web.archive.org/web/20200408063712/https://masks4all.co/about-us/ with people as:
Jeremy Howard https://web.archive.org/web/20200408063712/https://www.linkedin.com/in/howardjeremy/ (Co-Founder & Leader Distinguished Research Scientist at USF; Founding Researcher at fast.ai; Member of the World Economic Forum’s Global AI Council) https://twitter.com/jeremyphoward
Petr Ludwig https://web.archive.org/web/20200408063712/https://www.linkedin.com/in/petrludwig (bestselling author)
Cam Woodsum (Co-Founder & Website Leader, Founder of Nomad Impact Ventures; Former Head of Special Projects at DoorDash) https://www.linkedin.com/in/camwoodsum/
David Keating, Co-Founder President, Institute for Free Speech
Vojtech Petracek, Assoc. Prof., Ph.D., Co-Founder Particle Physicist, President of the Czech Technical University in Prague
Vladimir Zdimal, Ph.D., Co-Founder, Head of the Department of Chemistry and Aerosol Physics, Czech Academy of Sciences
Emil Pavlik, M.D., Ph.D., Co-Founder Microbiologist and Virologist
Leos Navratil, Prof., M.D., Ph.D., Co-Founder Population Protection
Expert, Head of the Department of Health Care and Population Protection,
Faculty of Biomedical Engineering, Czech Technical University in Prague
Martin Hausenblass, Co-Founder Entrepreneur and investor
Josef Prusa, Co-Founder Entrepreneur, an expert on 3D printing, founder of Prusa Research
Misha Chellam, Co-Founder Founder at Council on Technology & Society & Tradecraft
and other Team Members / Contributors
Suhail Doshi, Founder of Mixpanel & MightyApp
Lisha Li, CEO of Rosebud AI
Michelle Wucker, Speaker, Strategist, Bestselling Author of The Gray Rhino
Marietje Schaake, Stanford University & President at The Cyberpeace Institute
**********************************************************************************
my personal summary about mask effectiveness for the COVID-19 "pandemic" in short:
- Masks can work on individual level for people who know how to wear a mask correct (fit-tested and
with hand hygiene) and also are very afraid of an infection so that they are really care for their mask.
However, I would definitely recommend a psychologist for them.
- Masks mandates don't work because they force everyone to wear a mask, and those who don't want to
wear a mask don't wear the mask properly anyway so it is ultimately useless.
For those people a mask even can increase the risk due to false sense of security.
- and as stated even by the WHO in 2009: using a mask incorrectly however, may actually increase the risk of
transmission, rather than reduce it.
- In the end, everyone will be infected anyway, because the virus is here to stay and no one will be able
to protect themselves from it permanently.
- Masks do more harm than good especialy to kids.
this page was updated last time on 2023-06-21
- Addeddate
- 2021-02-26 17:43:02
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DAISY
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1914-05-30_operator%27s_mask-correspondence-bmj.1.2787.1213-a_daisy.zip
1918-10-12_face_masks_in_infections_of_the_respiratory_tract_daisy.zip
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1918-10-26_further_experience_with_face_masks_daisy.zip
1935-03-02_surgical_masks-correspondence-british_medical_journal-07559-0047a_daisy.zip
1967-01_history_of_surgical_face_masks-the_myths_the_masks_and_the_men_and_women_behind_them_daisy.zip
1975-09_the_operating_room_environment_as_affected_by_people_and_the_surgical_face_mask_daisy.zip
1978_maske_und_kinderpsychotherapie_phaenomenologie%2C_tiefenpsychologie%2C_psychotherapie-BSB_daisy.zip
1979-02-23_Halloween_maks_and_deindividuation-pr0.1979.44.2.422_daisy.zip
1979-02-23_Halloween_mask_and_deindividuation-pr0.1979.44.2.422_daisy.zip
1979_a_cohort_study_of_mortality_and_cancer_incidence_in_ethylene_oxide_production_workers_daisy.zip
1980_the_efficacy_of_standard_surgical_face_masks-an_investigation_using_tracer_particles-Haeri-GB-Wiley-AM_daisy.zip
1981_is_a_mask_neccessary_in_the_operating_theatre_daisy.zip
1983-10_common_materials_for_emergency_respiratory_protection-leakage_test_with_a_manikin_daisy.zip
1983_inhalation_exposure_of_lead_in_brass_foundry_workers-the_evaluation_of_the_effectiveness_of_a_powered_air-purifying_respirator_and_engineering_controls_daisy.zip
1984-10_the_real_role_of_facial_response_in_the_experience_daisy.zip
1986_the_neuropsychology_of_face_perception_and_facial_expression%20%28Bruyer%20et%20al%20-%20Psychology%20Press%29_daisy.zip
1987_the_role_of_facial-response_in_the_experience_of_emotion-more_methodological_problems_and_a_meta-analysis_daisy.zip
1988_inhibiting_and_facilitating_conditions_of_the_human_smile-a_nonobtrusive_test_of_the_facial_feedback_hypothesis_daisy.zip
1989-facial_efference_and_the_experience_of_emotion_daisy.zip
1989-wearing_caps_and_masks_not_necessary_during_cardiac_catheterization-ccd.1810170306_daisy.zip
1989_feeling_and_facial_efference-implications_of_the_vascular_theory_of_emotion_daisy.zip
1991-02_filtration_efficiency_of_surgical_face_masks-the_need_for_more_meaningful_standards_daisy.zip
1991-05-22_surgical_face_masks_in_modern_operating_rooms-a_costly_and_unnecessary_ritual_daisy.zip
1991-05_surgical_face_masks_in_modern_operating_rooms-a_costly_and_unneccessary_ritual-letters_to_the_editor_daisy.zip
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2009-05-03_WHO-advice_on_the_use_of_masks_in_the_community_setting_in_influenza-A_H1N1-outbreaks-revised_daisy.zip
2009-05-03_why_does_WHO_not_recommend_wearing_face_masks-markiert_daisy.zip
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2010-11-17_surgical_mask_to_prevent_influenza_transmission_in_households-a_cluster_randomized_trial-pone.0013998_daisy.zip
2010-12_behind_the_mask-the_influence_of_mask-type_on_amygdala_response_to_fearful_faces_daisy.zip
2010-12_is_routine_use_of_face_mask_necessary_in_the_operating_room_daisy.zip
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1897-07-03_Das_Operiren_in_sterilisirten_Zwirnhandschuhen_und_mit_Mundbinde.epub
1914-05-30_operator%27s_mask-correspondence-bmj.1.2787.1213-a.epub
1918-10-12_face_masks_in_infections_of_the_respiratory_tract.epub
1918-10-22_droplet_infection_and-its_prevention_by_the_face_mask-George%20H.%20Weaver.epub
1918-10-26_further_experience_with_face_masks.epub
1935-03-02_surgical_masks-correspondence-british_medical_journal-07559-0047a.epub
1967-01_history_of_surgical_face_masks-the_myths_the_masks_and_the_men_and_women_behind_them.epub
1975-09_the_operating_room_environment_as_affected_by_people_and_the_surgical_face_mask.epub
1978_maske_und_kinderpsychotherapie_phaenomenologie%2C_tiefenpsychologie%2C_psychotherapie-BSB.epub
1979-02-23_Halloween_maks_and_deindividuation-pr0.1979.44.2.422.epub
1979-02-23_Halloween_mask_and_deindividuation-pr0.1979.44.2.422.epub
1979_a_cohort_study_of_mortality_and_cancer_incidence_in_ethylene_oxide_production_workers.epub
1980_the_efficacy_of_standard_surgical_face_masks-an_investigation_using_tracer_particles-Haeri-GB-Wiley-AM.epub
1981_is_a_mask_neccessary_in_the_operating_theatre.epub
1983-10_common_materials_for_emergency_respiratory_protection-leakage_test_with_a_manikin.epub
1983_inhalation_exposure_of_lead_in_brass_foundry_workers-the_evaluation_of_the_effectiveness_of_a_powered_air-purifying_respirator_and_engineering_controls.epub
1984-10_the_real_role_of_facial_response_in_the_experience.epub
1986_the_neuropsychology_of_face_perception_and_facial_expression%20%28Bruyer%20et%20al%20-%20Psychology%20Press%29.epub
1987_the_role_of_facial-response_in_the_experience_of_emotion-more_methodological_problems_and_a_meta-analysis.epub
1988_inhibiting_and_facilitating_conditions_of_the_human_smile-a_nonobtrusive_test_of_the_facial_feedback_hypothesis.epub
1989-facial_efference_and_the_experience_of_emotion.epub
1989-wearing_caps_and_masks_not_necessary_during_cardiac_catheterization-ccd.1810170306.epub
1989_feeling_and_facial_efference-implications_of_the_vascular_theory_of_emotion.epub
1991-02_filtration_efficiency_of_surgical_face_masks-the_need_for_more_meaningful_standards.epub
1991-05-22_surgical_face_masks_in_modern_operating_rooms-a_costly_and_unnecessary_ritual.epub
1991-05_surgical_face_masks_in_modern_operating_rooms-a_costly_and_unneccessary_ritual-letters_to_the_editor.epub
1991_masks_in_surgery-editorial-Journal_of_Hospital_Infection.epub
1991_postoperative_wound_infections_and_surgical_face_masks-a_controlled_study-Tunevall.epub
1992_letters_to_the_editor-surgery_and_face_masks_in_Sweden-Journal_of_Hospital_Infection.epub
1992_postoperative_wound_infections_and_surgical_face_masks-letters_to_the_editor.epub
1993_surgical_face_masks-protection_of_self_or_patient-annrcse01579-0011.epub
1995_the_physiological_costs_of_wearing_respiratory_protective_devices-a_thesis_in_partial_fulfilment_of_the_requirements_for_the_degree_of_doctor_of_philosophy.epub
1996_rituals_in_the_operating_room_are_they_necessary.epub
1997-01_the_evolution_of_the_surgical_mask-filtering_efficiency_versus_effectiveness.epub
1999_Bundesgesundheitsblatt%2C_Gesundheitsforschung%2C_Gesundheitsschutz-Vol.42.epub
1999_an_empirical_and_theoretical_investigation_into_the_psychological_effects_of_wearing_a_mask-PhD_thesis_public-Mick_Cooper.epub
2001-02_bag_exchange_in_continious_ambulatory_peritoneal_dialysis_without_use_of_face_masks-experience_of_five_years.epub
2001-09_do_anaesthetists_need_to_wear_surgical_masks_in_the_operating_theatre-review.epub
2001-11-20_schutzwirkung_von_OP-mundschutz_im_vergleich_mit_mindestanforderungen_des_atemschutzes.epub
2001-11_patientenmundschutz_bei_regionalanaesthesien_hygienische_notwendigkeit_oder_entbehrliches_ritual.epub
2001-to_mask_or_not-to-mask-editorial.epub
2002-01-26_prisoners_treatment_is_bordering_on_torture-charity_says-owen_dyer.epub
2002_dealing_with_the_detainees_at_Guantanamo_Bay_humanitarian_and_human_rights_obligations.epub
2002_do_anaesthesists_need_to_wear_surgical_masks_in_the_operating_theatre-correspondence.epub
2002_emotional_intelligence_and_the_recognition_of_emotion_from_facial_expressions.epub
2002_the_use_of_surgical_facemasks_during_cataract_surgery-is_it_necessary.epub
2003_deindividuation%2C_anonymity_and_violence-findings_from_Northern_Ireland.epub
2004-02-10_SARS_transmission_among%20_hospital_workers_in_Hong_Kong.epub
2004-08_the_physiological_impact_of_wearing_an_N95_mask_during_hemodialysis_as_a_precaution_against_SARS_in_patients_with_end-stage_renal_disease-JFMA.epub
2004-11-29_rueckatmung_von_kohlendioxid_bei_op_masken-Butz%2CUlrike.epub
2005-05-26_effects_of_wearing_N95_and_surgical_facemasks_on_heart_rate%2C_thermal_stress_and_subjective_sensations.epub
2005-05_Beschluss_609-Arbeitsschutz_beim_Auftreten_von_Influenza_unter_besonderer_Beruecksichtigung_des_Atemschutzes.epub
2006-01-01_WHO-nonpharmaceutical_interventions_for_pandemic_influenza%2C_national_and_community_measures.epub
2006-01-25_headaches_and_the_N95_face-mask_amongst_healthcare_providers-j.1600-0404.2005.00560.x.epub
2006-02-17_nicht_jede_maske_sch%C3%BCtzt_vor_Infektionen-hausverband_der_gewerblichen_berufsgenossenschaften.epub
2006-03_do_N95_respirators_provide_95%25_protection_levl_against_airborne_viruses%2C_and_how_adequate_are_surgical_masks.epub
2006-03_zur_frage_des_geeigneten_atemschutze_vor_luft%C3%BCbertragenen_infektionserregern.epub
2006-11-28_arbeitsschutz_beim_auftreten_von_nicht_impfpr%C3%A4ventabler_influenza_unter_ber%C3%BCcksichtig_des_atemschutzes-beschluss_609.epub
2006-11_disease_mitigation_measures_in_the_control_of_pandemic_influenza-10.1.1.552.1109.epub
2006_berufsgenossenschaften-schutz_vor_infektionen_nicht_mit_jeder_maske-ifa-dguv.epub
2007-09-22_fachtagung_atemschutz_im_pandemiefall-BGIA-institut_f%C3%BCr_arbeitsschutz_der_DGUV.epub
2008-05-07_preliminary_findings_of_a_randomized_trial_of_non-pharmaceutical_interventions_to_prevent_influenza_transmission_in_households.epub
2008-08-11_spanische_grippe-erst_bakterien_f%C3%BChrten_zur_t%C3%B6dlichen_katastrophe-WELT.epub
2008-10-01_predominant_role_of_bacterial_pneumonia_as_a_cause_of_death_in_pandemic_Influenza-implications_for_pandemic_influenza_preparedness-FAUCI.epub
2008-12_respirator-fit_testing-does_it_ensure_the_protection_of_healthcare_workers_against_respirable_particles_carrying_pathogens.epub
2008_Atmen%20-Atemhilfen-Atemphysiologie_und_Beatmungstechnik%2C%208.%20Auflage-Wolfgang%20Oczenski.epub
2008_a_still-face_paradigm_for_young_children-2%C2%BD_year-olds%E2%80%99_reactions_to_maternal_unavailability_during_the_still-face.epub
2008_preliminary_report_on_surgical_mask_induced_deoxygenation_during_major_surgery.epub
2009-02-13_use_of_surgical_face_masks_to_reduce_the_incidence_of_the_common_cold_among_health_care_workers_in_Japan-a_randomized_controlled_trial.epub
2009-02_face_mask_use_and_control_of_respiratory_virus_transmission_in_households.epub
2009-05-03_WHO-advice_on_the_use_of_masks_in_the_community_setting_in_influenza-A_H1N1-outbreaks-revised.epub
2009-05-03_why_does_WHO_not_recommend_wearing_face_masks-markiert.epub
2009-06-08_reduzierte_CO2-induzierte_Vasomotorenreaktivit%C3%A4t_in_der_Alzheimer_Demenz_und_der_vaskul%C3%A4ren_Demenz.epub
2009-08_Atemschutzger%23te-filtrierende_Halbmasken_zum_Schutz_gegen_Partikel-Anforderungen%2C_Pruefung%2C_Kennzeichnung-DIN_en149_norm.epub
2009-10-06_facemasks_and_hand_hygiene_to_prevent_influenza_transmission_in%20_households-cowling.epub
2009-10_performance_of_an_N95_filtering_facepiece_particulate_respirator_and_a_surgical_mask_for_particle_penetration.epub
2009-11-04_surgical_mask_vs_N95_respirator_for_preventing_influenza_among_health_care_workers.epub
2009-WHO_guidelines_on_hand_hygiene_in_health_care.epub
2009_does_evidence_based_medicine_support_the_effectiveness_of_surgical_facemasks_in_preventing_postoperative_wound_infections_in_elective_surgery-BAHLI.epub
2009_how_does_facial_feedback_modulate_emotional_experience.epub
2009_nicht_pharmazeutische_Ma%C3%9Fnahmen_der_Infektionspr%C3%A4vention.epub
2010-01-22_face_masks_to_prevent_transmission_of_influenza_virus-a_systematic_review-review_article.epub
2010-02-15_mask_use%2C_hand_hygiene%2C_and_seasonal_iInfluenza.epub
2010-02_protecting_healthcare_workers_from_pandemic_influenza-N95_or_surgical_masks-GraltonMcLawsCritical_Care_Medicine_2010.epub
2010-03-04_use_of_face_masks_by_non%E2%80%90scrubbed_operating_room_staff-a_randomized_controlled_trial.epub
2010-04_hand_hygiene_and_face_mask_use_within_36_hours_of_index_patient_symptom_onset_reduces_flu_transmission_to_household_contacts.epub
2010-05_physiological_impact_of_the_N95_filtering_facepiece_respirator_on_healthcare_workers.epub
2010-06-28_simple_respiratory_protection-evaluation_of_the_filtration_performance_of_cloth_masks_and_common_fabric_materials_against_20-1000nm_size_particles-meq044.epub
2010-07-22_performance_of_an_N95_filtering_facepiece_particulate_respirator_and_a_surgical_mask_for_particle_penetration.epub
2010-09-28_surgical_mask_versus_N95_respirator_for_preventing_influenza_among_health_care_workers-a_randomized_trial.epub
2010-09-die%20Rolle_der_Allgemeinsmedizin_w%C3%A4hrend_der_letzten_Influenza-Pandemie_im_internationalen_Vergleich-Diplomarbeit-Doris_Holzinger.epub
2010-10_handlungsanleitung_f%C3%BCr_die_arbeitsmedizinische_vorsorge_nach_DGUV-G26-BGI-GUV-i_504-26.epub
2010-11-17_surgical_mask_to_prevent_influenza_transmission_in_households-a_cluster_randomized_trial-pone.0013998.epub
2010-12_behind_the_mask-the_influence_of_mask-type_on_amygdala_response_to_fearful_faces.epub
2010-12_is_routine_use_of_face_mask_necessary_in_the_operating_room.epub
2010_preventing_transmission_of_pandemic_influenza_and_other_viral_respiratory_diseases.epub
2011-01-27_a_cluster_randomized_clinical_trial_comparing_fit-tested_and_non-fit-tested_N95_respirators_to_medical_masks_to_prevent_respiratory_virus_infecti-j.1750-2659.2011.00198.x.epub
2011-02-17_findings_from_a_household_RCT_of_hand_washing_and_face_masks_to_reduce_influenza_transmission_in_Bangkok-j.1750-2659.2011.00205.x.epub
2011-06-17_use_of_surgical_masks_in_the_operating_room-clinical_effectiveness-RA0529_ORMasks_Final.epub
2011-07_physical_interventions_to_interrupt_or_reduce_the_spread_of_respiratory_viruses-review.epub
2011-08-30_an_experimental_study_of_the_efficacy_of_gauze_face_masks-ajph.10.1.34.epub
2011-09-13_protective_facemask_impact_on_human_thermoregulation-an_overview-review.epub
2011-09_non-pharmaceutical_measures_to_prevent_influenza_transmission-the_evidence_for_individual_protective_measures.epub
2011-12-21_the_use_of_masks_and_respirators_to_prevent_transmission_of_influenza-a_systematic_review_of_the_scientific_evidence.epub
2011-12_benutzung_von_atemschutzger%C3%A4ten-DGUV_112-190.epub
2012-01-25_facemasks%2C_hand_hygiene%2C_and_influenza_among_young_adults-a_randomized_intervention_trial-pone.0029744.epub
2012-01_unmasking_masks_in_Makkah_preventing_influenza_at_Hajj.epub
2012-03-23_risk%2C_ritual_and_health_responsibilisation-Japan%E2%80%99s_%E2%80%98safety_blanket%E2%80%99_of_surgical_face_mask%E2%80%90wearing-j.1467-9566.2012.01466.x.epub
2012-03_N95_filtering_facepiece_respirator_deadspace_temparature_and_huminity-Journal%20of%20Occupational%20and%20Environmental%20Hygiene-15459624.2012.660428.epub
2012-07-03_a_randomized_clinical_trial_of_three_options_for_N95_respirators_and_medical_masks_in_health_workers.epub
2012_Oakland%2C_California_and_the_1918-1919_Influenza_Epidemic-The_American_Influenza_Epidemic_of_1918-A_Digital_Encyclopedia.epub
2012_surgical_mask_versus_N95_respirator_for_preventing_influenza_among_health_care_workers-a_randomized_trial.epub
2013-01-24_a_randomized_clinical_trial_of_three_options_for_N95_respirators_and_medical_masks_in_health_workers-MacIntyre2013.epub
2013-03-01_a_randomized_clinical_trial_of_three_options_for_N95_respirators_and_medical_masks_in_health_workers-rccm.201207-1164oc.epub
2013-03_influenza_virus_aerosols_in_human_exhaled_breath_P.epub
2013-04_the_effects_of_surgical_masks_on_speech_perception_in_noise-research_thesis_by_Kelsi_Jo_Wittum.epub
2013-05-22_testing_the_efficacy_of_homemade_masks-would_they_protect_in_an_influenza_pandemic.epub
2013-06-13_WHO-masks_using_incorrectly_may_increase_risk_of_transmission.epub
2013-06_comparison_of_filtration_efficiency_and_pressure_drop_in_anti-yellow_sand_masks%2C_quarantine_masks%2C_medical_masks%2C_general_masks_and_handkerchiefs.epub
2013-12-24_effect_of_facemasks_on_empathy_and_relational_continuity-a_randomised_controlled_trial_in_primary_care.epub
2013-availability%2C_consistency_and_evidence-base_of_policy_and_guidelines_on_the_use_of_mask_and_respirator_to_protect_hospital_health_care_workers-a_global_analysis-1756-0500-6-216.epub
2013_3M-aufsetzanleitung.epub
2013_3M_Fit_Test.epub
2013_Hinweise_des_BfArM_zur_Verwendung_von%20Mund-Nasen-Bedeckungen-abgerufen_2021-04-03.epub
2013_how_effective_are_face_masks_in_operation_theatre-a_time_frame_analysis_and_recommendations.epub
2013_use_of_cloth_masks_in_the_practice_of_infection_control-evidence_and_policy_gaps.epub
2014-03_pilot_RCT_to_test_effectiveness_of_facemasks_in_preventing_influenza-like_illness_transmission_among_Australian_Hajj_pilgrims.epub
2014-07-29_why_do_the_japanese_wear_masks.epub
2014-08-06_amygdala_responsivity_to%20_high-level_social_information_from_unseen_faces.epub
2014-09_microbial_contamination_on_used_surgical_masks_among_hospital_personnel_and_microbial_air_quality_in_their_working_wards-a_hospital_in_Bangkok.epub
2014-10-30_antiviral_face_masks_for_the_prevention_of_influenza_infection-a_meta-analysis.epub
2014-11-14_effects_of_long-duration_wearing_of_n95_respirator_and_surgical_facemask-a%20pilot_study.epub
2014-11-22_effects_of_long-duration_wearing_of_n95_respirator_and_surgical_facemask-a%20pilot_study.epub
2014-disposable_surgical_face_masks_for_preventing_surgical_wound_infection_in_clean_surgery-review-Cochrane_Database_of_Systematic_Reviews-Lipp_et_al.epub
2015-01-15_from_circuits_to_behaviour_in_the_amygdala.epub
2015-03-26_a_cluster_randomised_trial-e006577.full.epub
2015-03-26_a_cluster_randomised_trial_of_cloth_masks_compared_with_medical_masks_in_healthcare_workers.epub
2015-06_unmasking_the_surgeons-the_evidence_base_behind_the_use_of_facemasks_in_surgery.epub
2015-11-16_respiratory_consequences_of_N95-type_mask-usage_in_pregnant_healthcare_workers-a_controlled_clinical_study.epub
2015-12_facial_feedback_hypothesis.epub
2016-01-13_effect_of_wearing_an_N95_filtering_facepiece_respirator_on_superomedial_orbital_infrared_indirect_brain_temperature_measurements-s10877-016-9828-6.epub
2016-03-07_effectiveness_of_N95_respirators_versus_surgical_masks_in_protecting_healthcare_workers_from_actual_respiratory_infection-a_systematic_review.epub
2016-03-24_uptake_and_effectiveness_of_facemask_against_respiratory_infections_at_mass_gatherings-a_systematic_review.epub
2016-05-17_the_surgical_mask_is_a_bad_fit_for_risk_reduction.epub
2016-10-18_why_face_masks_dont_work-a_revealing_review-John-Hardie-oral%20health%20group.epub
2016-11-07_3M_technical_data_bulletin-introduction_to_respirator_Fit_testing_Europe.epub
2016-11-07_vorschriften_zur_dichtsitzpr%C3%BCfung-3M_technical_data_bulletin.epub
2016-11_Bart_und_Maske-draeger-nieuws-compleet-original%20Artikel.epub
2016-11_verbannte_Baerte-De_baard_in_de_ban-Uebersetzung_Draeger_Nieuws_Nederland.epub
2016-12-02_cluster_randomised_controlled_trial_to_examine_medical_mask_use_as_source_control_for_people_with_respiratory_illness.epub
2016_disposable_surgical_face_masks_for_preventing_surgical_wound_infection_in_clean_surgery-cochrane_database_of_systematic_reviews.epub
2016_h%C3%A4ndehygiene_in_einrichtungen_des_gesundheitswesens-empfehlungen_der_KRINKO_beim_RKI.epub
2017-04-30_effectiveness_of_personal_protective_measures_in_reducing_pandemic_influenza_transmission-a_systematic_review_and_meta-analysis.epub
2017-05-29_naked_surgeons-the_debate_about_what_to_wear_in_the_operating_room.epub
2017-05_microbial_contamination_of_the_mouth_masks_used_by_post-graduate_students_in_a_private_dental_institution-an_in-vitro_study-N1605046167.epub
2017-08-02_Bart_ab-wer_Atemschutz_tr%C3%A4gt_muss-mancher_Mode_entsagen-Draegerheft_402_72dpi.epub
2017-08-07_effectiveness_of_masks_and_resprators_against_respiratory_infections_in_healthcare_workers-a_systematic_review_and_meta-analysis-cix681-review_article.epub
2017-09_surgical_mask_contact_dermatitis_and_epidemiology_of_contact_dermatitis_in_healthcare_workers.epub
2017-11-29_facemasks_and_respirators_for_the_prevention_of_infection_in_healthcare_and_community_settings.epub
2018-04-09_effectiveness_face_masks_used_to_protect_Beijing_residents_against_particulate_air_pollution.epub
2018-06_surgical_masks_as_source_of_bacterial_contamination.epub
2018-09-06_Kaplan-arbitration_decision_vaccinate_or_mask_st_michaels_oha.epub
2018-10_assessment_of_influenza_virus_exposure_and_recorvery_from_contaminated_surgical_masks_and_N95_respirators-cdc_77858_DS1.epub
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2019-03_do_theatre_staff_use_face_masks_in_accordance_with_the_manufacturers_guidelines_of_use-10.1177_1757177418815551.epub
2019-04-13_Untersuchung_zur_Atemschutzeignung-G26-Feuerwehr.epub
2019-06-03_contamination_by_respiratory_viruses_on_outer_surface_of_medical_masks_used_by_hospital_healthcare_workers-12879_2019_Article_4109.epub
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2019-10_WHO_non-pharmaceutical_public_health_measures_for_mitgating_the_risk_and_impact_of_epidemic_and_pandemic_influenza.epub
2020-01-29_WHO-2019-nCov-IPC_Masks-2020.1-eng.epub
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2020-02-28_CDC_does_not_currently_recommend_the_use_of_facemasks.epub
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2020-05-20_assessment_of_proficiency_of_N95_mask_donning_among_the_general_public_in_Singapore-yeung_2020_ld_200059.epub
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2020-06_should_individuals_in_the_community_without_respiratory_symptoms_wear_facemasks_to_reduce_the_spread_of_covid-19-NIPH-report_2020.epub
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2020-07-12_Deborah%20Cohen-WHO_recommended_masks_due_to_political_lobbying.epub
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2020-07-15_face_mask-associated_ocular_irritation_and_dryness-Moshirfar.epub
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2020-07-20_2020-08-27_masks_for_prevention_of_respiratory_virus_infections%2C_including_SARS-CoV-2%2C_in_health_care_and_community_settings-update_alert.epub
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2020-07-23_masking_lack_of_evidence_with_politics-www.cebm.net.epub
2020-07_efficacy_of_cloth_face_mask_in_prevention_of_novel_coronavirus_infection_transmission-a_systematic_review_and_meta-analysis.epub
2020-07_masks_for_prevention_of_viral_respiratory_infections_among_health_care_workers_and_the_public-PEER_umbrella_systematic_review.epub
2020-07_masks_for_prevention_of_viral_respiratory_infections_among_health_care_workers_and_the_public.epub
2020-08-01_how_the_use_of-surgical_masks_during_COVID%E2%80%9019_pandemic_can_induce_skin_effects-jdv.16905.epub
2020-08-04_offener_brief_an_ministerin_fuer_schule_und_bildung_NRW_gegen_mundschutzpflicht.epub
2020-08-04_should_face_shield_and_face_mask_be_used_in_preventing_transmission_of_COVID-19_in_children.epub
2020-08-12_face_masks-benefits_and_risks_during_the_COVID-19-european_journal_of_medical_research.epub
2020-08-12_face_masks_for_the_prevention_of_COVID-19-rationale_and_design_of_the_randomised_controlled_trial_Danmask-19-protocol_article-a05200363.epub
2020-08-18_Kappstein_keine_hinweise_f%C3%BCr_wirksamkeit_in_oeffentlichkeit.epub
2020-08-20_the_impact_of_commonly-worn_face_masks_on_physiological_parameters_and_on_discomfort_during_standard%20_work-related_physical_effort.epub
2020-08-20_wearing_a_mask%2C_a_universal_solution_against_COVID-19_or_an_additional_health_risk-SSRN-id3676885.epub
2020-08-21_WHO-advice-2019-nCoV-IPC_Masks-Children-2020.1-eng.epub
2020-08-25_Daniela_Prousa-PopularklageFinal_Veroeff.epub
2020-08-26_Pr%C3%BCfbericht-Labor_f%C3%BCr_Mikrobiologie_und_Hygiene-MNS.epub
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2020-09-08_EbM_wo_ist_die_Evidenz-Stn20200908_COVID19_Update.epub
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2020-09-09_face_coverings_for_covid-19-from_medical_intervention_to_social_practice-bmj.com_content_370_bmj.m3021_rr-6.epub
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2020-09-13_Mask_Risks_Part1-Primary%20Doctor%20Medical%20Journal.epub
2020-09-16_K-TIPP_Gesichtsmasken_sind_voll_von_Bakterien.epub
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2020-09-25_effectiveness_of_surgical_face_masks_in_reducing_acute_respiratory_infections_in_Non-healthcare_settings-a_systematic_review_and_meta-analysis-fmed-07-00582.epub
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2020-10-09_mask_risks_part2-Primary%20Doctor%20Medical%20Journal.epub
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2020-10-09_wearing_face_masks_strongly_confuses_counterparts_in_reading_emotions-ms_MaskEmotion-V2.epub
2020-10-13_facemasks_against_viral_respiratory_infections_among_Haji_pilgrims-a_challenging_cluster_randomized_trial-pone.0240287.epub
2020-10-13_protective_effect_of_mandatory_face_masks_in_the_public-relevant_variables_with_likely_impact_on_outcome_were_not_considered-G%C3%BCnter_Kampf.epub
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2020-10_face_masks%2C_public_policies_and_slowing_the_spread_of_COVID-19-evidence_from_Canada-NBER_working_paper-w27891.epub
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2020-11-04_Stellungnahme_DGHM_zu_FFP2-Masken.epub
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2020-11-16_letter_to_the_editor-meta-analysis_on_facemask_use_in_community_settings_to_prevent_respiratory_infection_transmission_shows_no_effect.epub
2020-11-18_effectiveness_of_adding_a_mask_recommendation_to_other_public_health_measures_to_prevent_SARS-CoV-2_infection_in_danish_mask_wearers.epub
2020-11-20_physical_interventions_to_interrupt_or_reduce_the_spread_of_respiratory_viruses-Jefferson_et_al-2020-Cochrane_Database_of_Systematic_Reviews.epub
2020-11-22_Facemasks%20in%20the%20COVID-19%20era%20A%20health%20hypothesis.epub
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2020-12-01_WHO-2019-nCov-IPC_Masks-2020.5-eng-2020-12-01.epub
2020-12-01_WHO-how_should_i_put_on._wear_and_take_off_a_medical_mask.epub
2020-12-01_WHO-when_should_masks_be_worn_by_the_general_public.epub
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2020-12_Corona_children_studies_Co-Ki_First_results_of_a_german-wide_registry_on_mouth_and_nose_covering-mask-in_children.epub
2020-12_masks_on_the_beach-the_impact_of_COVID-19_on_marine_plastic_pollution.epub
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